| Random Countries by Borders | 0 | - | 4.99 | 70,521 |
| Word Scramble - Countries | 0 | - | 4.85 | 2,008,061 |
| World Map with 10 Random Extra Borders | 0 | - | 4.96 | 352,551 |
| Random Capital to Country | 0 | - | 4.99 | 2,477,989 |
| Random Country to Capital | 0 | - | 4.98 | 856,452 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,824,017 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 409,757 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 146,541 |
| Solve the Secret Country #2 | 0 | - | 4.88 | 102,115 |
| Anagram Chain - Countries | 0 | - | 4.99 | 106,259 |
| Countries with the Most Borders | 0 | - | 4.97 | 371,640 |
| Countries with Four Letters | 0 | - | 4.99 | 385,515 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 53,847 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 376,123 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 267,757 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,366 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,792 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,848 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,720 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,112 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 172,072 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 157,318 |
| Country Chain | 0 | - | 4.96 | 207,043 |
| Countries by Emojis | 0 | - | 4.99 | 219,413 |
| Countries With One Word And Two O's | 0 | - | 4.95 | 50,766 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,349,640 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 98,378 |
| Islands by Country #1 | 0 | - | 4.87 | 169,016 |
| Regions of Countries #1 | 0 | - | 4.96 | 154,767 |
| Regions of Countries #2 | 0 | - | 4.95 | 119,048 |
| Regions of Countries #3 | 0 | - | 4.85 | 87,040 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,426,488 |
| Name a Valid Country #3 | 0 | - | 4.98 | 223,328 |
| Name a Valid Country #1 | 0 | - | 4.99 | 245,855 |
| Name a Valid Country #2 | 0 | - | 4.98 | 210,118 |
| Name a Valid Country #4 | 0 | - | 4.97 | 218,071 |
| Name a Valid Country #5 | 0 | - | 4.99 | 173,653 |
| Name a Valid Country #6 | 0 | - | 4.94 | 112,018 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 58,010 |
| Sahara Desert Countries | 0 | - | 4.98 | 142,564 |
| Himalayan Countries | 0 | - | 4.95 | 119,495 |
| Andean Countries | 0 | - | 4.92 | 67,038 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,482 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 111,036 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,580 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 58,190 |
| Danube Countries | 0 | - | 4.97 | 60,097 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,850 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,158 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,865 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,933 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 135,309 |
| European Landlocked Countries | 0 | - | 4.99 | 140,314 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,778 |
| Countries with the Most Species | 0 | - | 4.99 | 91,868 |
| Countries 197 to 205 | 0 | - | 4.87 | 62,215 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,385 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,503 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,940 |
| Countries that Use the Peso | 0 | - | 4.85 | 49,075 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,478 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,961 |
| Countries in the Alps | 0 | - | 4.86 | 109,354 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,965 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,303 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,856 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,779 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,833 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,304 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,266 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,265 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,515 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,172 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,269 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,831 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 38,717 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,568 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,262 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,908 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,501 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,319 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,230 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 219,034 |
| World Countries - Blind Typing | 0 | - | 5.00 | 83,253 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 44,587 |
| Largest Countries By Category | 0 | - | 4.97 | 150,330 |
| Countries by Countries | 0 | - | 4.96 | 57,907 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,536 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,422 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,117 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,638 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 379,014 |
| Island Countries Quiz | 0 | - | 4.99 | 686,874 |
| Biggest Countries by Area | 0 | - | 5.00 | 982,526 |
| Northernmost Countries | 0 | - | 4.99 | 340,826 |
| Countries of South America | 0 | - | 5.00 | 852,666 |
| Countries of Oceania | 0 | - | 5.00 | 963,926 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,707,086 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 19,175 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 216,760 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 171,740 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.92 | 83,810 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,564 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 107,316 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 85,094 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,235,341 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 41,491 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.90 | 92,187 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 300,269 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 219,810 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 210,311 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 179,054 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 113,674 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 98,948 |
| European Countries with One Border | 0 | - | 4.97 | 174,099 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,863 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.87 | 53,922 |
| Random Name a Valid Country | 0 | - | 4.99 | 191,059 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 156,587 |
| Countries with Megacities | 0 | - | 4.99 | 215,643 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 185,115 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,391 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 124,398 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,233 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 267,469 |
| Random World Capitals on a Map | 0 | - | 4.92 | 124,205 |
| Countries by Official Language | 0 | - | 4.95 | 182,642 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 280,090 |
| Countries in their Native Language | 0 | - | 4.98 | 187,526 |
| Independence from Whom | 0 | - | 4.99 | 198,001 |
| Subdivisions by Country | 0 | - | 4.86 | 48,258 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,296 |
| Megadiverse Countries | 0 | - | 4.96 | 130,024 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,687 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,294 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,161 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,303 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,948 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,245 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,473 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,694 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,155 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 65,563 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,258 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,449 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,820 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,710 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,077 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 96,362 |
| World Map Quiz | 0 | - | 4.88 | 56,647 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 116,905 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 86,019 |
| Southernmost Countries of the World | 0 | - | 4.99 | 217,225 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,916 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 115,420 |
| Countries With the Most Languages | 0 | - | 4.88 | 187,576 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,062 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,881 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,892 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,903 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,038 |
| Widest Countries East to West | 0 | - | 4.92 | 123,939 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,035 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,516 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,173 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,784 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,760 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,743 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,856 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,390 |
| Countries with Double Letters | 0 | - | 4.96 | 80,621 |
| Countries that End in N | 0 | - | 4.93 | 144,687 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 244,041 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,961 |
| Countries with W | 0 | - | 4.97 | 132,254 |
| Countries with Z | 0 | - | 4.98 | 274,181 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,509 |
| Countries That End in U | 0 | - | 4.95 | 113,513 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 99,109 |
| Countries that End in O | 0 | - | 4.92 | 153,155 |
| Countries that End in R | 0 | - | 4.84 | 99,544 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,531 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,774 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,557 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,281 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,990 |
| Countries That End in Y | 0 | - | 4.91 | 181,329 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 188,096 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,775 |
| Countries that End in I | 0 | - | 4.92 | 117,112 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,494 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,813 |
| Countries That End in NIA | 0 | - | 4.92 | 104,675 |
| Countries That End in BIA | 0 | - | 4.91 | 141,770 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,554 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,179 |
| Countries That End in RIA | 0 | - | 4.89 | 105,008 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,289 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 213,543 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,326 |